#if USE_NEW_INPUT
using UnityEngine.InputSystem.OnScreen;
using UnityEngine.InputSystem.Layouts;
using UnityEngine.InputSystem;
#endif
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using Invector.vCamera;
using Invector.vCharacterController;
using System;

namespace Beyond
{
    public class TouchPadOnScreen : MonoBehaviour, IPointerDownHandler, IPointerUpHandler, IDragHandler
    {
        public static Action<bool> PointerDown;

        [SerializeField] private float m_xMaxDelta = 2f;
        [SerializeField] private float m_yMaxDelta = 2f;
        [Space]
        [SerializeField] private float m_xMaxDeltaEditor = 2f;
        [SerializeField] private float m_yMaxDeltaEditor = 2f;
        [Space]
        [SerializeField] private float Xsensitivity = 1f;
        [SerializeField] private float Ysensitivity = 1f;
        [Space]
        public float constDeltaPosition = 1f;
        public bool useCameraMoveRotation;
        public float thresholdX = 0.45f;
        public float thresholdY = -0.30f;

        private bool cameraMoveActive;
        private readonly float XScreenSensitivity = 360f;
        private float YScreenSensitivity = 125f;
        private Vector2 m_startPoint;
        private Vector2 m_deltaPosition;
        private Vector2 m_currentPoint;
        private Vector2 screenSize;
        private vThirdPersonCamera vThirdPersonCamera;
        private bool lockInput;

        [Header("Debug info")]
        [SerializeField] private float m_x;
        [SerializeField] private float m_y;
        [SerializeField, Range(-1f, 1f)] private float inputX;
        [SerializeField, Range(-1f, 1f)] private float inputY;

        private void Awake()
        {
            CutScene.CutSceneEnable += OnCutScene;
        }

        private void Start()
        {
            screenSize = new Vector2(Screen.width, Screen.height);
        }

        private void OnEnable()
        {
            vThirdPersonCamera = vThirdPersonCamera.instance;
#if USE_NEW_INPUT
            vInput.instance.inputActions.Player.Move.performed += Move_performed;
            vInput.instance.inputActions.Player.Move.canceled += Move_canceled;
#endif
        }

        private void OnDisable()
        {
#if USE_NEW_INPUT
            vInput.instance.inputActions.Player.Move.performed -= Move_performed;
            vInput.instance.inputActions.Player.Move.canceled -= Move_canceled;
#endif
        }

        private void OnDestroy()
        {
            CutScene.CutSceneEnable -= OnCutScene;
        }

        private void OnCutScene(bool isLock)
        {
            lockInput = isLock;
            m_x = 0f;
            m_y = 0f;
        }
#if USE_NEW_INPUT

        private void Move_performed(InputAction.CallbackContext obj)
        {
            if (lockInput) return;

            inputX = obj.ReadValue<Vector2>().x;
            inputY = obj.ReadValue<Vector2>().y;

            cameraMoveActive = true;

            m_x = Mathf.Clamp((obj.ReadValue<Vector2>().x * constDeltaPosition * XScreenSensitivity * Xsensitivity) / screenSize.x, -m_xMaxDeltaEditor, m_xMaxDeltaEditor);
            m_x = Mathf.Abs(obj.ReadValue<Vector2>().x) > thresholdX ? m_x : 0f;
            m_x = obj.ReadValue<Vector2>().y > thresholdY ? m_x : -m_x;
            m_y = 0f;
        }

        private void Move_canceled(InputAction.CallbackContext obj)
        {
            if (lockInput) return;

            inputX = obj.ReadValue<Vector2>().x;
            inputY = obj.ReadValue<Vector2>().y;

            m_x = 0f;
            m_y = 0f;
            UpdateCameraRotation(m_x, m_y);
            cameraMoveActive = false;
        }
#endif
        private void Update()
        {
            if (cameraMoveActive && useCameraMoveRotation)
            {
                UpdateCameraRotation(m_x, m_y);
            }
        }

        public void OnPointerDown(PointerEventData eventData)
        {
            PointerDown?.Invoke(true);

            m_startPoint = eventData.position;
            m_currentPoint = eventData.position;
        }

        public void OnDrag(PointerEventData eventData)
        {
            m_startPoint = eventData.position;

            m_deltaPosition = m_startPoint - m_currentPoint;

            m_currentPoint = eventData.position;

#if UNITY_EDITOR
            m_x = Mathf.Clamp((m_deltaPosition.x * XScreenSensitivity * Xsensitivity) / screenSize.x, -m_xMaxDeltaEditor, m_xMaxDeltaEditor);
            m_y = Mathf.Clamp((m_deltaPosition.y * YScreenSensitivity * Ysensitivity) / screenSize.y, -m_yMaxDeltaEditor, m_yMaxDeltaEditor);
#else
            m_x = Mathf.Clamp((m_deltaPosition.x * XScreenSensitivity * Xsensitivity) / screenSize.x, -m_xMaxDelta, m_xMaxDelta);
            m_y = Mathf.Clamp((m_deltaPosition.y * YScreenSensitivity * Ysensitivity) / screenSize.y, -m_yMaxDelta, m_yMaxDelta);
#endif


            UpdateCameraRotation(m_x, m_y);
        }

        public void OnPointerUp(PointerEventData eventData)
        {
            PointerDown?.Invoke(false);
            m_x = 0f;
            m_y = 0f;
        }

        private void UpdateCameraRotation(float x, float y)
        {
            if (vThirdPersonCamera)
            {
                vThirdPersonCamera.RotateCamera(x, y);
            }
        }
    }
}